Need help solving one unkown one equation in mathcad

[Handyperson]

X=0.5*exp{(0.3+2t*x^0.1)*t}-0.5*exp{(0.2+0.1*x^0.8)*t}

I need to solve it in t=0.1,t=0.5,t=5

But I am having problem in math cad...

[terryhendicott]

Hi,

With a  solve block turned into a function called simply "f".  Not solvable for t = 5?

[terryhendicott]

Hi,

Sorry a plus sign should be a minus sign.

[Handyperson]

Thanks a lot !